Trim the OSS ivysettings to reflect pom-resolve improvements.
Trim the OSS ivysettings to reflect pom-resolve improvements.

These resolvers are no longer needed since we no exlcusively
go through pom-resolve.

(sapling split of 9e20b5d95f7448fb8777030650255b88ca7b15f6)
foursquare/fsqio,foursquare/fsqio,foursquare/fsqio,foursquare/fsqio,foursquare/fsqio